| 摘要 |
A reinforced bicycle frame is made from a fiber-reinforced material. The reinforced bicycle frame includes a head tube, a top tube extending from the head tube, a down tube extending from the head tube beneath the top tube, and at least one rib. The insides of the head, top and down tubes are communicated with each other in a way that the head, top and down tubes combinedly form a frame head having an inner surface defining a chamber. The rib has a connection end connected with the inner surface of the frame head and a free end located in the chamber, thereby enhancing the structural strength of the bicycle frame.
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